Denison Announces Election of Directors

Denison Mines Corp.

TORONTO, ONTARIO--(Marketwired - May 4, 2017) - Denison Mines Corp. ("Denison" or the "Company") (TSX:DML)(NYSE MKT:DNN) is pleased to report that the nominees listed in the management proxy circular for the 2017 Annual Meeting of Shareholders ("Annual Meeting") were elected as directors of the Company. Detailed results of the vote for the election of directors held at the Annual Meeting yesterday in Toronto are set out below.